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PARTICIPATIION FORMATS

Challenges

Challenges

Challenges

Challenges

Day One Ukraine operates as a 36-hour hackathon focused on prototype development.

Day One Ukraine operates as a 36-hour hackathon focused on prototype development.

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HOW YOU CAN PARTICIPATE

Participation tracks

Participation tracks

Participation tracks

HACKATHON

HACK

A 36-hour structured sprint in Warsaw, held in parallel with the Ukraine Recovery Conference. The objective is to prototype practical, scalable solutions and outline clear implementation pathways.

HACKATHON

HACK

A 36-hour structured sprint in Warsaw, held in parallel with the Ukraine Recovery Conference. The objective is to prototype practical, scalable solutions and outline clear implementation pathways.

FOCUS AREAS

Day One Ukraine addresses cross-sector challenges critical to reconstruction and long-term European resilience.

Financial Infrastructure

Designing secure and transparent systems for reconstruction financing and cross-border coordination.

Energy and Hyperscalers

Ship updates smoothly without manual handoffs or coordination.

Digital Administration

Modernizing public services, identity systems, and institutional workflows for speed and accountability.

Cybersecurity

Protecting critical digital and infrastructure systems from hybrid threats and systemic vulnerabilities.

Education

Building talent pipelines and learning systems aligned with reconstruction and economic renewal.

Public Intelligence Systems

Designing data and decision-support systems that enhance institutional capacity and coordination.

SUBMIT YOUR CHALLENGE

FOCUS AREAS

Day One Ukraine addresses cross-sector challenges critical to reconstruction and long-term European resilience.

Day One Ukraine addresses cross-sector challenges critical to reconstruction and long-term European resilience.

APPLY NOW

Financial Infrastructure

Designing secure and transparent systems for reconstruction financing and cross-border coordination.

Energy and Hyperscalers

Securing energy independence and sovereign compute capacity as foundations of reconstruction and strategic autonomy.

Digital Administration

Modernizing public services, identity systems, and institutional workflows for speed and accountability.

Cybersecurity

Protecting critical digital and infrastructure systems from hybrid threats and systemic vulnerabilities.

Education

Building talent pipelines and learning systems aligned with reconstruction and economic renewal.

Public Intelligence Systems

Designing data and decision-support systems that enhance institutional capacity and coordination.

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TIMELINE

ProgramRoadmap

Phase I

CHALLENGE FRAMING

April

All official challenge briefs are unveiled. Institutional partners publish structured problem statements across the different tracks.

Phase II

BUILDER INTAKE

April / may

Applications open for builders.

FINAL COHORT CONFIRMED

May

Applications close at the end of May.

Phase III

PREPARATION

Early june

Team matching, onboarding materials, and preparatory briefings.

MAIN EVENT

22–23 June 2026

Day One Ukraine — 36-hour sprint in Warsaw

TIME UNTIL EVENT

01months
10days
21hours
19minutes
30seconds

TIME UNTIL EVENT

01months
10days
21hours
19minutes
30seconds

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Follow Europe's next build!

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register interest

Stay informed.
Follow Europe's next build!

PARTNER WITH US

APPLY NOW

DAY ONE UKRAINE

About

Challenges

Terms and Conditions

GDPR

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Apply here!

DAY ONE UKRAINE

About

Challenges

Terms and Conditions

GDPR

Cookies

Apply here!